The inventions : researches and writing of Nikola Tesla, with special reference to his work in polyphase currents and high potential lighting (1894)
Martin, Thomas Commerford, 1856-1924, Tesla, Nikola, 1856-1943 · New York : The Electrical Engineer · leaf 88
Fk;. oI). … tills motor lie (iii|)l(»ys an aminlar magnetic frame .1, with in-wardly-extending ril»> or |)rojeetions k, the »n(U of which allbend or tnrn in one direction and ;iie generalh shaped to con-loini to the cni\(<l surface of the armature. (oil> i- 1 are woundIroni one |»iirt i< to the one…
Electric currents, Alternating · Electrical engineering
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